Advanced thermal protection Reflective aluminum foil plus high-strength polyester fiber provide effective thermal insulation to help retain body heat in cold, windy conditions. Designed to reduce heat loss and offer a more comfortable experience in harsh weather. Compact, lightweight, travel-ready Folds into a small volume and is lightweight for easy storage in a backpack. Ideal for long-distance travel, camping, and hiking when space and weight matter. Waterproof and windproof Treated with a waterproof coating to block moisture and keep the interior dry. Windproof construction helps maintain warmth even in gusty conditions. Durable, tear- and abrasion-resistant Made from wear-resistant fabrics with excellent tear resistance to withstand rocks, branches, and rough surfaces. Built for repeated use in demanding outdoor environments. Key attributes Function: emergency and outdoor thermal blanket that retains body heat, blocks wind, and resists moisture. Materials: reflective aluminum foil and high-strength polyester fiber with a waterproof surface treatment and wear-resistant fabric. Performance: thermal insulation, windproof, waterproof, compact for easy transport, and durable for long-term use. Practical use scenarios Backpacking and long-distance travel: stores flat in a pack and provides emergency warmth on overnight trails or unexpected temperature drops. Camping: keeps you warmer in a tent or shelter, blocks damp ground moisture, and resists abrasion from rough campsite terrain. Day hikes and outdoor excursions: lightweight protection to carry without added burden, ready for sudden weather changes or rest stops. What you get A compact, durable survival blanket engineered to retain heat, stay dry, and resist wear—designed for reliable performance during outdoor activities such as long-distance travel, camping, and hiking.